CVE-2023-33485: totolink x5000r_firmware Out-of-bounds Write
Modified
Published 31-05-2023Last modified 10-01-2025
Vulnerability summary
CVE-2023-33485 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in totolink x5000r_firmware. EPSS estimates a 1.06% chance of exploitation in the next 30 days, higher than 64.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
1.06%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github
Timeline
- 31-05-2023PublishedVulnerability first disclosed.
- 10-01-2025Last modifiedVulnerability information updated.
Description
TOTOLINK X5000R V9.1.0u.6118_B20201102 and V9.1.0u.6369_B20230113 contains a post-authentication buffer overflow via parameter sPort/ePort in the addEffect function.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.06%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.06% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundVuln
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- x5000r_firmware9.1.0u.6118_b20201102 | 9.1.0u.6369_b20230113
1 vendor · 1 product